New York attorney record · Judicial Dept 4
Mark J. Chadsey
Columbia University alumna, admitted to the New York bar in 1987, registered office in Brockport, NY. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1987
- Admitted
- 39
- Years in bar
- 2106318
- NY reg #
The record in one line
Mark J. Chadsey carries a "Delinquent" status on the New York bar register, on record since 1987 - confirm the exact standing and any discipline history directly with the state bar before engaging.
- 39 yrs
- since first admission to the bar
- Suspended
- current bar status: "Delinquent"
- #6 of 17
- by tenure in Brockport office peers
- Law school
- Columbia University
Data updated August 2026
What this profile tells you
Bar status & tenure
Mark J. Chadsey is registered as bar number 2106318 with the New York bar authority, carrying a current status of "Delinquent", suspended or delinquent, verify terms with the bar before engaging. Registration is recorded within Judicial Department 4, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Suny At Brockport, located in Brockport, NY (Monroe County), ZIP 14420. Educational background: COLUMBIA UNIVERSITY (3,238 registered alumni).
State context & due diligence
A "Delinquent" status falls outside the New York bar's active cohort. The breakdown below shows what share of the register that represents, and how to verify current standing directly with the state bar.
Tenure among Brockport, NY office peers
Within Brockport, NY's 17-attorney local set, Mark J. Chadsey is #6 by tenure, a small-cohort read, not a statewide claim. See the Brockport attorney directory .
- Local rank
- #6
- City cohort
- 17
- Local percentile
- 29th
- Admitted
- 1987
Nearest tenure peers in Brockport
- Susan Nanette Burgess admitted 1988 · 38 yr
- Timothy Martin Lexvold admitted 1984 · 42 yr
- James David Bell admitted 1979 · 47 yr
- Jane Irene Farley admitted 1996 · 30 yr
How local rank is computed
Rank uses years since NY-bar admission among non-deceased registry rows that list the same office city and state, a local placement, not a statewide claim. Source: NY Office of Court Administration Attorney Registration · as of August 2026. Derived local rank, not published upstream.
What changed, NY OCA 2026-08-06 extract
Compared with the retained 2026-07-03 OCA attorney registration extract. Administrative “due to reregister” churn is excluded.
- Registration status moved from Due to reregister within 30 days of birthday to Delinquent between the 2026-07-03 and 2026-08-06 OCA extracts.
Browse other registration status changes or download prior extracts from the open data page.
How Mark compares to fellow Columbia University alumni
Among the 1,229 Columbia University graduates in the New York register, Mark J. Chadsey is longer-tenured than 90%.
39 years vs. Columbia University alumni
Years since admission - 1,229 NY-registered alumni of this school
39 Top 10% higher than 90% of 1,229 fellow alumni
Each bar is a band; taller bars hold more fellow alumni. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NY Office of Court Administration, Attorney Registration · August 2026
Columbia University's active-bar rate
Of Columbia University's 3,238 alumni in the New York register, 53.6% currently hold "Currently registered" status, below the statewide average.
The 1987 admission class today
Of the 5,948 attorneys admitted to the New York bar in 1987, 73.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Delinquent
- Registration Number
- 2106318
- Year Admitted
- 1987 (39 yrs · veteran)
- Judicial Department
- 4
- Next Registration
- Sep 2027
Location & Contact
- Company
- Suny At Brockport
- City
- Brockport, NY
- County
- Monroe
- ZIP Code
- 14420
- Phone
- (585) 395-2320
Education
Status Distribution Across the New York Bar
Mark J. Chadsey's current status, "Delinquent", places this record outside the 67.2% of the 432,625-attorney New York register currently marked active.
Full statewide breakdown & source note
Source: NY Office of Court Administration, Attorney Registrations. Status counts reflect the latest reporting cycle. Bar status confirms registration only; it does not imply competence, specialty fit, or freedom from complaints.
Near-tenure Columbia University alumni
Fellow alumni on the NY register whose admission year is closest to 1987 (excluding same-firm colleagues above).
Same admission year (1987), other cities
NY-registered attorneys admitted in 1987 whose listed office city differs from Brockport, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Mark J. Chadsey: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~18 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1987)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Brockport, NY
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Compare Mark J. Chadsey with similar attorneys in Brockport.
Compare attorneys →Before you rely on this record
Mark J. Chadsey carries a "Delinquent" status. Verify the exact scope and dates of this action directly with the state bar before acting on it.
Frequently Asked Questions
Where is Mark Chadsey licensed?
Mark Chadsey is licensed to practice law in New York.
When was Mark J. Chadsey admitted to the bar?
Mark J. Chadsey's admission to the New York bar dates back to 1987.
Where did Mark J. Chadsey go to law school?
Mark J. Chadsey attended COLUMBIA UNIVERSITY.
What company does Mark J. Chadsey work for?
Mark J. Chadsey is associated with Suny At Brockport in Brockport, NY.
Is Mark J. Chadsey in good standing?
No, Mark J. Chadsey carries a "Delinquent" status, not active standing. Confirm the exact scope directly with the state bar before engaging.
Cite this page & disclosure
Sourced from the NY Office of Court Administration, informational only, not legal advice. Full disclosure.
Read our methodology - how this data is sourced, computed, and verified.